Processor; Supported Processors - Intel D845HV Technical Product Specification

1.6 Processor

CAUTION
Use only the processors listed below. Use of unsupported processors can damage the board, the
processor, and the power supply. See the Intel
Update for the most up-to-date list of supported processors for these boards.
The D845HV and D845WN boards support a single Pentium 4 processor (in an mPGA478 socket)
with a system bus of 400 MHz. The D845HV and D845WN boards support the processors listed
in Table 5. All supported onboard memory can be cached, up to the cachability limit of the
processor. See the processor's data sheet for cachability limits.
Table 5.

Supported Processors

Type
Pentium 4 processor
NOTE
Use only ATX12V- or SFX12V-compliant power supplies with the D845HV and D845WN boards.
ATX12V and SFX12V power supplies have an additional power lead that provides required
supplemental power for the Intel Pentium 4 processor. Always connect the 20-pin and 4-pin leads
of ATX12V and SFX12V power supplies to the corresponding connectors on the D845HV and
D845WN boards, otherwise the board will not boot.
Do not use a standard ATX power supply. The board will not boot with a standard ATX power
supply.
For information about
Processor support
Processor usage
Power supply connectors
®
Desktop Board D845HV/D845WN Specification
Designation
1.4, 1.5, 1.6, 1.7, 1.8,
1.9, and 2.0 GHz
System Bus
400 MHz
Product Description
L2 Cache Size
256 KB
Refer to
Section 1.3, page 17
Section 1.3, page 17
Section 2.8.2.3, page 58
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